gwenhywfar*: Use eq for string comparisons

And use curly braces around variable names.

devel/gwenhywfar4/Portfile

@@ -45,7 +45,7 @@ patchfiles      patch-gwenhywfar-config.cmake.in.diff \
                 patch-gwengui-cpp-config.cmake.in.diff \
                 implicit.patch
 
-if {$subport eq $name} {
+if {${subport} eq ${name}} {
     # the correct way to depend on Qt4:
     PortGroup               qt4 1.0
     configure.args-append   --with-qt4-libs=${qt_libs_dir} \
@@ -58,19 +58,19 @@ if {$subport eq $name} {
 master_sites      https://www.aquamaniac.de/rdm/attachments/download/${release}/
 distname          gwenhywfar-${version}
 
-if {$subport == "gwenhywfar4-gtk"} {
+if {${subport} eq "gwenhywfar4-gtk"} {
     depends_lib-append      path:lib/pkgconfig/gtk+-2.0.pc:gtk2
     configure.args-append   --with-guis="gtk2 cpp" --disable-qt4
 }
 
-if {$subport == "gwenhywfar4-gtk3"} {
+if {${subport} eq "gwenhywfar4-gtk3"} {
     depends_lib-append      path:lib/pkgconfig/gtk+-3.0.pc:gtk3
     configure.args-append   --with-guis="gtk3 cpp" --disable-qt4
 }
 
 # Allow gtk3 version to replace any gtk2 version if it is installed
 # This will conflicts during gnucash upgrade.
-if {$subport == "gwenhywfar4-gtk3"} {
+if {${subport} eq "gwenhywfar4-gtk3"} {
     conflicts-delete gwenhywfar4-gtk
     pre-activate {
         if { ![catch {set vers [lindex [registry_active gwenhywfar4-gtk] 0]}] } {
@@ -83,7 +83,7 @@ variant enable_local_install description "Enable local installation mode (plugin
     configure.args-append   --enable-local-install
 }
 
-variant debug description "Enable debug." {
+variant debug description "Enable debug" {
     configure.args-append --enable-debug
 }
 

devel/gwenhywfar5/Portfile

@@ -65,7 +65,7 @@ pre-configure {
         "
 }
 
-if {$subport eq $name} {
+if {${subport} eq ${name}} {
     PortGroup       qt4 1.0
     configure.args-append \
         --with-qt4-libs=${qt_libs_dir} \
@@ -76,7 +76,7 @@ if {$subport eq $name} {
 }
 
 # variants
-variant debug description "Enable debug." {
+variant debug description "Enable debug" {
     configure.args-append --enable-debug
 }
 
@@ -85,7 +85,7 @@ configure.args-append --disable-dependency-tracking --disable-silent-rules
 
 # allow installation to replace the equivalent subport of gwenhywfar4, to
 # support migrating dependent ports to a new version
-if {$subport == $name} {
+if {${subport} eq ${name}} {
     conflicts-delete gwenhywfar4
     pre-activate {
         if { ![catch {set vers [lindex [registry_active gwenhywfar4] 0]}] } {
@@ -93,7 +93,7 @@ if {$subport == $name} {
         }
     }
 }
-if {$subport == "gwenhywfar5-gtk"} {
+if {${subport} eq "gwenhywfar5-gtk"} {
     conflicts-delete gwenhywfar4-gtk
     pre-activate {
         if { ![catch {set vers [lindex [registry_active gwenhywfar4-gtk] 0]}] } {
@@ -101,7 +101,7 @@ if {$subport == "gwenhywfar5-gtk"} {
         }
     }
 }
-if {$subport == "gwenhywfar5-gtk3"} {
+if {${subport} eq "gwenhywfar5-gtk3"} {
     conflicts-delete gwenhywfar4-gtk3
     pre-activate {
         if { ![catch {set vers [lindex [registry_active gwenhywfar4-gtk3] 0]}] } {